186 
288a. Nesierax nove-seelandie pottsi,s Math. and New Zealand. 
Iredale, Ibis, 1913, p. 420. [Puroah Bay, 
N. Island.] 
Bush Falcon. 
Smaller ; wing ¢ 228-233, 2 246-255 mm. ; 
plumage similar ; [scarcely distinguishable 
except by sexing]. 
Gen. XCIV. FALCO* Linn: (1758): 
Type by subs. desig. (A.O.U. Checklist, 1886) Falco subbuteo L. 
Distance between tips of primaries and tips of 
secondaries more than half length of tail; first 
and third quills equal, second longest ; feet large 
and powerful; tarsus short, reticulated; toes 
long with curved and sharp claws, the outer toe 
rather longer than inner. Size variable. 
A. Size small; length about 10-13in. (Typical 
Falco L.). 
+*289. Falco subbuteo subbuteo Linn., S. N.,1., p. Europe; from 
89 (1758). [ Europe” =Sweden, apud Scandinavia 
Hartert]. and Brit. Isles 
Hobby. to Mediterran- 
ean ; W. Siberia; 
Wing ¢ 255-265, 2 273-280 mm.; above in winter to 
dark slate grey, darker on head and Africa and 
paler on rump ; hinder part of cheeks and N.W. India. 
sides of neck buffy white, with well-defined 
black moustachial stripe below; nuchal 
collar reddish white; tail slate grey, all 
but middle pair of feathers barred on 
inner webs with ferruginous ; below creamy 
white, striped on breast and flanks with 
black ; thighs and under tail-coverts rust- 
red. 
1 N. australis (Hombr. & Jacq.) being not tenable, the small form has been 
re-named by Mathews and Iredale. I am very doubtful as regards the 
advisability of separating the supposed small race. 
